<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title></title>
</head>
<body>
    <form action="/app01/login/" method="POST">
        <div>
            <div>
                <input name="username" placeholder="用户名">
            </div>
            <div>
                <input name="password" placeholder="密码">
            </div>
            <div>
                <input type="submit" value="提交"> <label style="color:red;">{{ status }}</label>
            </div>

        </div>
        </form>
</body>
</html>